second, aluminum is a huge raw material for cars and trucks because it's so lightweight and saves energy. well can get reports from gm, but alcoa is a much better read on things. third, you need alcoa building materials to skin buildings. commercial construction that has lagged so badly. this is the worst division for alcoa. lately we hear of a turn. let alcoa tell us if it's for real. first, a tremendous amount switching from gas turbines there is no way to judge this because of disparate turbine makers. but they all use alcoa aluminum. fifth, alcoa makes drill pipe, the kind we use for deep floors of oil. only game in town. we'll get a nice insides on on that too. finally, has become an important part of the technology food chain, the skin of the ipod. plus bottles and wraps. unfortunately, they also make i think gots and alumna. it's pure commodity and keeps alcoa down. it's there that the shortfalls keep coming. some of that is because the chinese keep producing so much aluminum and part because hedge funds banging down the stuff. the chinese cut back their own use of their own dirty